Bluetooth: D-Bus client interface for org.bluez.Input1

chromeos/dbus/experimental_bluetooth_input_client.h

Index: chromeos/dbus/experimental_bluetooth_input_client.h
diff --git a/chromeos/dbus/experimental_bluetooth_input_client.h b/chromeos/dbus/experimental_bluetooth_input_client.h
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+++ b/chromeos/dbus/experimental_bluetooth_input_client.h
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+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROMEOS_DBUS_EXPERIMENTAL_BLUETOOTH_INPUT_CLIENT_H_
+#define CHROMEOS_DBUS_EXPERIMENTAL_BLUETOOTH_INPUT_CLIENT_H_
+
+#include <string>
+#include <vector>
+
+#include "base/callback.h"
+#include "base/observer_list.h"
+#include "chromeos/chromeos_export.h"
+#include "chromeos/dbus/dbus_client_implementation_type.h"
+#include "dbus/object_path.h"
+#include "dbus/property.h"
+
+namespace dbus {
+class Bus;
+}  // namespace dbus
+
+namespace chromeos {
+
+// ExperimentalBluetoothInputClient is used to communicate with Bluetooth
+// Input objects.
+class CHROMEOS_EXPORT ExperimentalBluetoothInputClient {
+ public:
+  // Structure of properties associated with bluetooth input devices.
+  struct Properties : public dbus::PropertySet {
+    // The Bluetooth input device reconnect mode. Read-only.
+    dbus::Property<std::string> reconnect_mode;
+
+    Properties(dbus::ObjectProxy* object_proxy,
+               const std::string& interface_name,
+               const PropertyChangedCallback& callback);
+    virtual ~Properties();
+  };
+
+  // Interface for observing changes from a remote bluetooth input device.
+  class Observer {
+   public:
+    virtual ~Observer() {}
+
+    // Called when the remote device with object path |object_path| implementing
+    // the Input interface is added to the set of known devices or an already
+    // known device implements the Input interface.
+    virtual void InputAdded(const dbus::ObjectPath& object_path) {}
+
+    // Called when the remote device with object path |object_path| is removed
+    // from the set of known devices or does not implement the Input interface
+    // anymore.
+    virtual void InputRemoved(const dbus::ObjectPath& object_path) {}
+
+    // Called when the device with object path |object_path| has a
+    // change in value of the property named |property_name| of its Input
+    // interface.
+    virtual void InputPropertyChanged(const dbus::ObjectPath& object_path,
+                                      const std::string& property_name) {}
+  };
+
+  virtual ~ExperimentalBluetoothInputClient();
+
+  // Adds and removes observers for events on all remote bluetooth input
+  // devices. Check the |object_path| parameter of observer methods to
+  // determine which device is issuing the event.
+  virtual void AddObserver(Observer* observer) = 0;
+  virtual void RemoveObserver(Observer* observer) = 0;
+
+  // Obtain the properties for the device with object path |object_path|,
+  // any values should be copied if needed.
+  virtual Properties* GetProperties(const dbus::ObjectPath& object_path) = 0;
+
+  // Creates the instance.
+  static ExperimentalBluetoothInputClient* Create(
+      DBusClientImplementationType type,
+      dbus::Bus* bus);
+
+ protected:
+  ExperimentalBluetoothInputClient();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ExperimentalBluetoothInputClient);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_DBUS_EXPERIMENTAL_BLUETOOTH_INPUT_CLIENT_H_